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Document:	VAX 8600 Training Print Set
Order Number:	18E-PP-0001
Revision:	1
Pages:	76
Original Filename:

OCR Text

EY-48 18E-PP-0001

VAX 8600 TRAINING PRINT SET

BRI

s e

Prepared by Educational Services
|
of
Digital Equipment Corporation

First Edition,

The information in this document is subject to change
notice and should not be construed as a commitment by
Equipment Corporation.
Digital Equipment Corporation
responsibility for any errors that may appear in this

January 1986

without

Digital
assumes no
document.

The software described in this document is furnished under a
license and may be used or copied only in accordance with the
terms of such license.

Digital Equipment Corporation assumes no responsibility for the
use or reliability of its software on equipment that is not
supplied by DIGITAL.
|
|
|
The manuscript

for this book was produced on a DIGITAL Word
Processing System.
Book production was done by Educational
Services Development and Publishing in Bedford, MA.

The

following are

trademarks

ALL-IN-1
BAL-8
CDP
COMPUTER LAB
COMSYST
COMTEX

Digital

All rights

Equipment Corporation:

EDGRIN

PRO/RMS

EduSystem

PROSE

FLIP CHIP
FOCAL
GLC-8

QUICKPOINT
RAD-8
Rainbow

IAS

RSTS
RSX

CTBUS
DATATRIEVE

IDAC
IDACS

DDT
DEC

INDAC
KA1l0

DECCOM
DECmail
DECmate
DECnet

KI1l0

OMNIBUS

DECsystem-10
DECSYSTEM-20

0os 8
PDP

DECtape

VAX

PDT

VMS

LAB-K
MASSBUS

RT-11
RTM

SABR
Tool Kit

TYPESET-8
TYPESET-10

TYPESET-11

UNIBUS

DECUS

PHA

DECWORD
DECWRITER

PS 8
P/0S

Work

DIBOL

DIGITAL
DNC

Professional

PRO/BASIC
PRO/FMS

Processor

Hnanan
|

slioommiiny

reserved.

Venus CPU Block Diagram cccceeee

IBOX Microword

ccccecceccosccsscs

FlUSh+LD CPC

& & & & % & % 0 & % & % 58 B 6B

.s.cecoceccccscccscecsscssscs
IBox Data Paths eccceecoces

.......

Venus IBox Control Paths

IBox Dram Fields & Fork Address

VIBA Sel Adder INV IBuf

....cc..

Flush + LD CPC Delayed MBox ACK

Venus System Pipeline Flow .....
SBIA Block

Diagram

.ccceccoccece

SBIA Registers Part 1 ..cceccecee
SBIA Registers Part

SBIA Registers Part 3

..ccevevcee

.cccceccces

S”Data Path Output MUXing

" EEEREE

CPU-SBI State Machine Flow .....
SBI

State Machine Read/Write

...

SBI State Machine ISR/Quadclear
SBI Protocol

Decision Flow

.....

Console (CSL) Module .cccecececcse
T-11 Micro Mem and Suprt Logic .

QBus Adapter

OQBus Control

(OBA)

..cececccccoss

ecccececosscccccscoscscs

Serial Data Interface

.eccecececes

CBus Interface cceceeeccccccccoscse
SDB Interface ® & & & & 8 & & 5 5 & & 5 & B & BN

Miscellaneous Cntrl/Status Logic

Console BP CoOnnNectorS

eeeecceoee

Clock Module Blk Diagram

..c.....

Clock I/O Pin ConnectionsS .ceecee
ClOCk Phases & % & & & & & % & & & & & & ¥ " & s
Clock Relative TIimMeS .ccecceceoce
Microsequencer Block Diagram ...
Block Diagram EBC (L0210) ......
EBox Stall

and Abort

Logic

...

EBox Trap LOQIiC ceccececsvcccncs
EBD RegiSters * & & 5 % & & & 5 8 % & 8 6 % & S
Block Diagram EBE (L0219) ......

]

EBox Data Path Block Diagram ...
FBox Data Block Diagram ...cce..
FBox Control Block Diagram .....
FBox Timing Diagram .cecceccecee
FBox Data Block Diagram ..c.eeeee
FBox Control Block Diagram .....
FBox Timing Diagram ececcececececee
IBD Module Block Diagram ...c....

| ]

L—

UWOrd
Venus

.cceeececcecse

EBox Block Diagram

[—

—

Contents

S &/%i

Contents
Page

ICA HGdUle BlGCk Biagramw;;;¢.¢.t.,.;;’.¢.s¢¢.¢;;;.;cag;g:.g 69

'ICB HGdUle Bl@Ck

Biagram

tai»c;icac;oa;:*Q..t;:t;tt;io:tcstt

I T B N B B NN B NN BN NN BE NN BN AN NN N NN K B N R NE BN BN NE K N B B NE BE BE B BE

Diag LN B I B BN N B BN BN B R N B R B NE BE R IR BE BN NF BN BN N RE B B RN N N R
4HByte Read CYCle ’ODQ”D?!QQVQili09“99!!900‘!‘)‘00“*‘.‘("#“
4H8Yte 2WD WRT/4 WRT LA B I B BE NS NN BN B BN B B IR N BN NE BN N BN NN NE RN B B RN N BN BN B N ONE R NN NN N R )

76
71

Address MGdUle BlGCk

IDP MQdUle BlQCR Diagram

¥iv

L Lons]

e aeblastsi]
3 ss.ars

WBLS

36 BITS

fi DATA

FE%EYTE |

£ B!fi

.
>

A SO
P
A

.
N
oy

[ inrexr
— INTR

&atzsxs

WD BUS <
3

]

‘

v
13

12 |
16

1*6?%?:&& “BUFFER. i,
.

DATA PATH
CONTROL A

|L@207

CcoNTROL B

[Leais

CACHE DATA

|Le20w

" CONTROL

LB22¢

___HEMORY

FBA | 8
FBN | 7

Fam |

|L8207

ADDER |Le212

?&&?2&3?&
FBOX JUMPER

B RIR Fi.flié

| SENSORS

jLezee

ABLS INTERFACE

FBOX

180 | 15

“T80X

————— A
RS
S

AN et e KO

33 BITs

neo

‘aee%

RD 3
APT <

Le218|

—VENUS CPU
BLOCKfiDIfiGQQN
IEST QSEQ ON OPY z&xmu

§~g§-§(§35*g

[

]

TacK

REG

UsTAck

ADDR LTH

/
~

LPCSAVE

;

LTH

%C;S |

CNSL CNTL|

NICRO

r;g% £80X

CNSL cnn.l ‘
1
|

DATA

NXT STACK
‘

{

[STACK PTR LTH)

180X

ERR

HTRA?

[

usrc2!

USRC1
RC1 SPADR
SPA

—

ELBUS ADOR 3:8 ! ID

—

INTERRUPT

INTERNAL

;

¢
L]

(Th

[tri] [LmH]

STALL | | NEXT

EF; MCF|

MCF

PAR

REF MCF

—

EBOX MCF/CTX TO MBOX
Sfim@mwfl e
fThe aszgs FOR TiE PeMFACTURE

[EroRY

sTa ';angg

§§$§ E“gm

ITIONS

CBUS/

ULITCTL! ULIT

MICRO TRAP REQUEST

EBOX.FBOX STALLS

X DATA PATH

—

PuX

EDPE

1BE

—
- ‘

WBUS MUX

—

NICR

[

FormarT

—

“

N
!

eree

ULITCTL! ULIT

)

[

A
—
oo o

EVA 31:00

;

[LLaTE SC LTH]

T0 MICRO

sc=a
T0 MICRO
BRANCH MUX

[Vrasav LTH|

uee

SC REG

LTH

HRCV LTH

HBOoX

—l

LICCK

EBOX CTx|

3:0

PSL N2vC

PSL URITE ENA—SKBUS OR SAVE 917

EBOX VIRTUAL

UCC N2C | ADDRESS TO

'BRANCH MUX

ca0x

LC
Nee
TO MICRO

Z_|

BRANCH MUX

coo

L"l

TO NICRO

|
3 & . R CHK'D.
'
L .HET2GER

1-SEP-

TR D

{

AND 1BOX

;

[

| Losic

CONDITION

S
6

STATE

TECT

* v

UREG

WBUS

—

SHIFTER

Al *

r—'—""

uscK

N\ SHIFTER

e B T AT R

§§c

ggl‘

MICRO
BRANCH

EOMS | | EBCS

ERROR FLAGS STATUS

—

CONTROL

[

AND MICRO BRANCH MUX

RAM

;
|
EBOX
CYC IN
FICF{CTX | PROG || ABORTS

Lm]

DUAL PORT

INTERFACE

\_Bror_/

méfiéfi?g’gm

MEMORY

[
[]

CONSOLE

MCF

RAMN

[usus INLTH]| Y

CHECK

zsg:gcz |

<
2
&

ACTIVE

IPR
ENTRY
TO ONCBUS/INT
WBUS MUX

CURREN

DECODE

UPCSAVE

EBOX MICRO WORD TO
EBOX DATA PATH/CONTROL
|

;

ICRO TRAA |

T0/FRON

AND EBOX

MRITE mux LTH]

E }

HTRAP

POOR REG

AND [BOX \MBOX \FBOX

WBUS CTX

(—PUSH RISTP]

2
ARRAY

’

Ot
FROM Shox
1BOX

e PORT

1BGPR

FCUDEST)

Bica2
t 3
CNSL
paTA (’3533**“1

RCN

E;g
PORT

s
1
UTRAP

INDO

UDEST —> ‘

AR BUS 3:0

| Foud) IwLI]

HIFIFTT -

unt

{

[

uJunP
~

UTRAP

FBOX

}

FORK

L CNSL csn.! \ m&‘iss
X3

URT

/ | soor | | RES

NEXT MICRO

usuB

eremtd g

BRANCH
CONDITIONS |
P4:1]

UJUHP

e | N\
|

]

FROM 180X

GPRB ADDR LTH

FORK ADDRESS

—

usue

UTRAP |

ey
RES
REG

UPCSAVE

GPRA ADOR LTH-

D1AG

usmcx

OUT

imw

\__r____./u

16X14

|ISTACK

- UTRAP

MBOX PORT

CODE

STATUS CODE

*:R%L

STATUS

PATA— umnoow [ AT

u?aap_j\ i

MBOX

SHIFT

CNSL

gggfiécfi@i.b

‘

;

DIQGQQM
U 1HORE

*B- |80|Kags-a-EBX1
1

2191

1:8

CULIT %5:0

UDEST 5:0

TRk R

manmmmh
mmwmmmn"fi

USRC1 7:8
PHYSICAL REG.

ED BY UREGSEL UNCF<218:
#

mmmmmm4fl3
wmmnmmmhl
w&«nummlfl!

FOMOOW w;&

-®-MmO LAl

mmmnmmqm
mmmmwmm%fi

~eo~~rclgly

N®

m’

mWMmmme;~
wqummmk|
wfiflmqumfi

mmwmrflfifi
wmwmwmfig

mwrmmmmmfl
“mmrmmmmq8

-omoxcig

mmmmmmfi&
wwmmmmfifi
wmmmmm%

UCCK 3:8

mwmmwmmfl

upT

o |

UMISC 3:0

1:18

38| »m@xmm”dfl

UPAR

RO mml

umqufla

mmmmmmqqg
MMflMMMdfl}
m&mmmmmwi ®

wmnmmmmm

-®npol%

ooz <nonce

oo
»

NOTE!
LAST UPDATE MADE
ON 87,0283

®®» Dol

21 «

mmfimmumwm%g

HEX DIGIT
DEF .MIC/ULD NUMBER
PHYSICAL RAM BIT

[

’

{

I{8 [@ |Ro THRU RIS

J@TLSRCI<3:05

fifi:

TUDESTITT)

OF BYTES SELECTED BY UMISC(1:85)

SPADR(3:0)>

WITCILALIT

USRC1<7:1@>
&

USRC1<7:@>

PSL.v

USRC2¢<%5:0>

@11 11 |ALU.NCUDT)
.XOR.

”

[awo sTiC, THEN use u,z?ms; AS NEW

_|PC FOR FBOX MICRO SEGUEN

)

IF UDEST<5>=@ THEN USE UDEST<3> WITH USRC2¢1:0>.

?fi@fi%fiifiWEfiflfiFmfim%fifigflfi

ek ol

AREEE

¥_"_‘§i

P 2

IaLU.NCUDT)
| AL

S EEEEEEE

11 1@

EEEEEEEEE

8 JALL.NCUDT ) | ALU.ZCUDT

{1 IARLU.NCU
| DT)
ALU.

m'uf’@m,'h’, v e Be}

{ALU.VCUDT)

pone

)

]

- S—-————o—

UALU 4:0

|
UBEN 4:0

rTe

‘
T
e ]

]

mflwummfiqt

4fiwumuwh 2
wnwmmu4

mwwmmu’mlul "

7mmmw»4fl/
mmmw»fifla
wwmmmq 3
wwxmmdfl
mmmmmflfl
B
mummwflflfi
’mmmmmmh
wmmmmqm
MMwmmumwm
wm%&fihd
mmwmmqu
mfiwmmumi4
mnwwmuqqsr
wmwmwud%fi
mnwmmudd

necr»>c

woeocr»cdY

FoCcr»c

'mnmqufl
|3

wwwwmdfl

EEEEEEEEEEEEEE

el 3¢l 3¢] ol 3¢} 3¢f el

EEECCCREEEECCEE
IR ECECE
N
TEE

HEX DIBIT

WMM

mwwmmquwv

mfmlwmm!wmlmmplmmm{m[mg mlmlmlfll[@!mmfl 2]

DEF .MIC/ULD NUMBER
PHYSICAL RAM BIT NUMBER

UANP 1210

ONLY IF "EDPE" AND STATE = ii;éi
gLl
3

=® GENERATES
THE SIGNAL IRD

® B
b o vt oF
T AN
B
BT TEEe.
%
s

’

IDP MODULE

A+B

INCR VIBA BY 4=

_Re-RiY

IBD MODLLE
BUS
MD A
EN

VENUS‘IBOX

|S12€ [CODE
NUMBER
D_[BD |KABE-B-1BX]

_|1g-ser-gy!

I,I

| EDP CC N BIT
EDP CC 2 BIT
EDP
CC Vv BIT

LOAD

EDP CC C BIT

LOGIC

COND
BR HIT

LOOK AT BITS

—> ADDRESS

EBOX REQUEST

LINES

EBC NON
GPR EADRS

——> ENA WBUS MATCH
LOGIC

——> WBUS EGRANT

IGPR

STALL LOGIC ke—

- 1BGPR
——

MICROUORD

318>

l-—)armnsa

UPO <(7:8> ADDRESS

1 FORK DISP <5:8)

>T0 I1CB

&85!
R

—>

SET

OPVALID

NOTE: SEE KA86-8-18X3 FOR
MICROUORD DESCRIPTION

BENERATE

e |

Bl (?:@&

]

SELECT

IFORK

DISPATCH

DATA

SDB LOAD LOGIC

OPCODE
LATCH

£ pISP x:j B 00
OPCODE TO EBOX FBOX EBOX| esc
FroM | CSB UNMCF <%5:0>

EBOX

3 ICA WBUS ON DBUS

Be <7:@&

REV

IBUFFER

| TR ]

——> DRAM ADDRESS/DATA

——-)xsammams
—3 CLR SUSP

3 EFLUSH
FROM WBLS

INSTRUCTION—> 8 BYTES
STREAN
81
B5:

DMUX <31:8)>

DrMuUX

DOUBLE
BUFFER

> DBUS

——>» EFLUSH
LD CPC

——>ENA
CPC LD

——p EFLUSH FROM CPC

——3>»CPC VALID

> OPWRT
-3 ENABLE 1BOX

——>»ENA 1SR LD

3 [SA VALID

EPC ¢2:8> —>

——>ENR ESA LD

DOUBLE
BUFFER
LOGIC

FD FLAG l

EXPLICIT
UNPARCK

FD INSTRUCTION
FA FULL

IBD IFORK —>{
VALID

—=>ESA VALID

FAs |—> FORK ADDRESS
TO EBOX

LOGIC

—3
FRA FULL TO EBOX

SAVE —3
IFORK
INFO

IFORK
INFO

LOGIC [ CODE<2:@>

RLOG
CONTROL

—> UNWIND DONE TO EBOX

PARITY

IBOX
uBuUS
ADDRESSES

=°

L HET2GER

“|BORRD.LOKCATION

'f«f*‘:ii—n

“'*‘—:f—-IE:*-mma.A*f HIGHER ASSEMK
_{0-DD-KAB86-0

Q«afl“fi‘; VENUS 1BOX
—

~;PQTHS n~

_CONTRC

SDB ADDR/DATA =

4K
X 2@

2195

BB <7:8)

UPAR

uMisca

1B |UNS-| CYCLE ID
mark |UNS-||HOLD
| TALL

DIAG
TALL

MCF

uMISC

cTL

GPR SEL

CTX CTL

2[5

IFORK

AMUX SEL | UTReP CTL

|
SEL
BMUX

UBEN

52 | 4a | wg | 47 {46 | 45 | w | 43 | w2 | w1 |ve ]| 39| 3.

wssge.s:; f;;gs.mfiws 2
1 - INDEX.IMM

3 = UNUSED

3 =

4 = FORCE.SET.SB.VALID
5 = INHIBIT.SET.SB.VALID

IR HOLD<®:@>

RD+MOIifi?‘fil

BUSREG(@:@>

2 = BASE OPERAND ADDRESS (BOR) ENTRY

WBLS REQUEST

GPR SEL(2:@> GENERAL PURPOSE REGISTER SELE
@{ == GPR
FROM1€ IBUF
INDEXADDRESS
REGTSHER
DETHE§m<8i}
AODR
;

} = STALL UNTIL EBOX OP.URITE COMMAND

3 = 18 FLLSH

M
7=

8 = |

CTX CTLC2:0)

9 =

IFORK IF VSRCHRI TE +( C READSHODIF Y 5x¢ BUL 3

SRR

—
~

ADDRESS ¢3:2> ¢-—- CTX CTL(1:@)

<-—- LNPACK.CTLC1:0)

W SONTRO

E = COND.FA.OP.MEM.REQ

CTX| DRAMXCTX | -DRAM
o
XCTX
v3 |[+/-RLOG
-DRam CTX

F = FA.OP.NMEM.REQ

MCF<3:@> MEMORY CONTROL FIELD

® = READ.RCHK IF DRAM MEM EQUALS READ

gfi@mxfimmflmsmm
MEN

“

8. NEKT AEORESS

;

-ty

Efi

X = UNDEF INED

BMX SELC2:0>

BMUX SELECTION

@ = ZERO

3=
Y4 =

1 = VA
2 = ADDER CTX AS DEFINED BY CTX CTL

5 = DMX,IMD

7 = HOLD VA § INHIBIT VA CLOCKING.

5 = WRITEVeUCHK

3 = UNUSED

8 = READ¢VEUCHK

6 = CPC § USED FOR STRING CONTINUED FLUSHES.

A = READ¢VeRCHK
B = READ¢VERCHK
.2ND
=
=
=
=

.
|

__ADDER CTX | ME

D = CLEAR CPC VALID § FOR FLUSH AND BRANCH

C
D
E
F

UV IRED CPEXMG
IFORK CTLC2:@>
@ = DOIFORK
:fi? CONTROL

BRI

C = POP STACK

2 = MICRO-TRAP g&m:m CRN) OR ANY OTHER

10US GPR ADDRESS.

ADDRESS €1:@)

6 =

3 : §§§ §§ READNCBUL)
QUAD ?f EQUALS 2%
5 = §F §§m

SAVED i oIS NUMBER .

2 = IB.FLUSH.LD.CPC

ISTALL IF WBUS mrca.

! = MICRO-TRAP NEXT CYCLE FOR UNALIGNED INDIRECT FETCH.

AND CONTEXT ENTRY. WBUS 1S REQUESTET

3 = [FORK ENTRY AND -(BOA + [R1)

|
CPABERAAHE

¢ = RLOS ENTRY IS PUSHED IF THISIS FIRST IFORK
OR
THIS OPCODE.am&WBUS
IS CONDITIONALLY
EQUESTED:s‘
aN m.;;a&
.BPR SEL=3
1 = RLOB mxf IS PUSHED WITH VALID GPR NUMBER

s M ; £LLANEOUS
;
€r¢z:agi a;g
=
0L
UMISEC

7=uweus TEYal T TE
ENABLE

1 = INDICATES RN SPECIFIER

FREEZE IBUFFER FOR DIAGNOSTICS

5 = GPR (LEFT SHIFT 1)
& = GPR (LEFT SHIFT 2)

UTRAP CTLC1:8> MICRO-TRAP CONTROL

® = INDICATES THAT THIS IS NOT RN SPECIFIER

UNSTALL<@:@> OVERRIDE IB.STOP AND SUSPEND STALL
CYCLEf IDC1:@)
o o N TR EeLE
\ = THOEX. TFOR ENTRY 123

6PR DATA WITH WBUS DATA.

3 = SET OPVALID LNCONDITIONALLY

DIAG UNSTALL<D:@> OVERRIDE ALL IBOX STALL Terns

4 = GPR, IF WBUS MATCH REPLACE

REG MODE<@:8) assxs‘rgs MODE

"ARK(:8> STOP CPU CLOCKS TN NEXT MICROC

AMUX SELECTION

! . iim PC
3 = oy

1 = SET OPVALID IF ¢CREAD+MODIFY+VSRC MRMODE
>+ ~C ASRC+RMODE)
; :

o
HcYCL

15| mw]13l12]1]|10]|es]oe]|e”|o|os|ovw|03]|e2]|
e |o

Aot

LNUSE

2 = SETOPVALID IF

7 = UTRAP.CIP

|9z

AMUX SELC2:8>

OPVALID<1:0> OPERAND VALID
8 = NOP

& = FORCE.SET.SB.ENA.OPBUS.PARITY

N ST B T <Ak
2 = UNPACK AS SHORT LITERAL ACCORDING TO
:ggrx AND TYPE FIELDS.

2 = ENR.OPBLE. .PARITY

29282 |2 |25]ev|23|2z]ar

UNPACKER CONTROL

UNPACK CTL<1:@>

ODD PARITY GENERATED ON MICROWORD

UPARC@:@>

s | 3w | 33|32 |3 | |

NOT A BMUX SEL FUNCTION,

READ«VNOPAGE
READ«VENOPAGE
.2ND
IB.FILL.OP
IB.FILL.IBF

|é § & 8
,

DATE

-trk’rassg

19-5EP-04 | h
% SHEET

vsgg,z
§w&g£;:mm 2 *Wfif
FIRS
ri USED ON OPT1ON/MODEL:
I
—

DATE |TITLE!

ON___[19-seP-on
.
3 I —

NEXT HIC
SEMBLY:
; D-DD-KAB6-8
=

I1BOX
, MNO?D —

|512E |CODE
.
_NUMBER
D
18D |[KASE-@B-1BX3
:

REV.
A

[

T CHE " R

UEN

19 | 18 | 17 l 16 l 15

&
CTXc2:

SINGLE wam

@ = BYTE

1 = MORD ¢ 2 BYTES )

l 1

3=QUAD ¢ 8 m )

%awfifism)

i = m m m fi'fii ?ECSF?E& 15

2= sg':

DRAM CTX(2:0> -‘

DRAM TYPEC1:0)

NOT RMODE

LAST<0:0)

0PT-THO

3 = MODIFY

‘

—

WRITE

8>
PAR<D:
X = 00D PARITY BIT

WRITE

FPAc: 0>

‘

1 = FPA MAY OVERRIDE THE EBOX FOR THE SPECIFIER

CTLC1:8>

;

)

SEEN

RAM

ADRSCOS>

REGHODE |

predghtsiotod

DRAM

ADRS<O4:08>

X = BASIC FORK ADDRESS

NOARLWN
- |

2 = OPT-TWO
3 = OPT-THO & EXECUTE

THE_OPCODE
HAS

2) FPD =) FIRST PART DONE.

’

INSTRUCTION IT WaS DOING BEFORE

IT WAS INTERRUPTED.

)

zm“s‘ IBOX D?QH FIELDS

FG ADDRESS

E’ KQSG*@*IBX‘*
‘

2197

THE_FPD DISPATCH FORKS THE EBOX
TO THE FPD CODE FOR THE

T S

SIGNAL NAME
EBOX UNMCF
1STAaLL

HBUS
- 1BOX UUORD
VA _REG

OP MCF

OP PA ACK

CPC SEL va
LD CPC LAT

gPC LAt
MAY
LD CPC

YRR

QRN

e A

ARG

SRR

L
R

BRI

RS TR

2198

ware|
=

FLUSH + LD CPC

i\ : ”ifVSIéé CODE

0|30

NUMBER

| KAB6-8-1BX5

{ REV.
A_

[

650

190

120

149

160

180

200

‘

220

>
240

260

200

322

340

]
V0

420

44D

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aORS

LAT FPA )

LAT BYTEN <714

1908

awon p—D

1806

r:——f’"

| (FBA) FOOX ENABLED

18x

[TeuFy

10>
1

DIAG BIT SEL <21@>

'
,

ENA DIAG GRP <2:0)

----

m s -

——JPKEY LOOP (HCD)

oD GMO 180 —Jp nOD GHD 180

B! REG SPEC

~r——ORN
, knigurlormovee
TE
[ENG,
DATE
[TITLE:
ia
; PTM7,
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120 VIS

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J14-SEP-84 19: 34 INEXT HIGHER ASSEMBL:

LELF<COMDIBODED DR

‘

508 pata our re0

| SWIFT p><——DIAG BIT SEL ¢2:0>
PATH L3 g D1AG GRP <2:0)
18O [~ 5DB 3 CLK

\
'

DI1AG BYTE ¢7:@>
¢CL> SDB VIS SWIFT a
(CL> SDB CLOCK 1BD

— rux
depd
‘

19K

isS28
. f—

TTE

)

CcL>
soB pata In a P—ry
|

, St VISR PONIS T

;
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:

|
i

(18D) BUF DRAM FPA

- "Jifi

SEF 1105

3 (180> DRAM TYPE <1:@>

fflifa___{—f

‘

LAt

2.3,

LAT B0EST MxT 1

ggt LAs?

‘

;
‘

]

LAT TYPE <1:@) {5

N i

—

LAT CTX <2:8>

- E

IRST USED ON OPT|ON-MODEL:
o

D-DD-L0208-0

1BD

mDOIDfiUGLPEQN

g SIEEICG&E[
BLOCK‘_%
NUMBE
D

_|BD

[L@2O8-0-1BDS

é‘
I =57
2245

} e [ A8

430w

9081-0-80201|

aq
Lflm ms“

08|

TABLE 2
__INSTRUCTION BUFFER ¢ IBUF) FORMATS
TABLE

CURRENT SPECIFIER

ORan BIT FIELDS

ORAM
BIT NAME

DRAM
FIELD USE

SDB WRITE
GROUP-BIT #

CONTEXT 2

OPERAND SIZE

sig‘ums
;

u:su,w:”

TYPE 1|

OPERAND TYPE

HIGH/DARE

E&ii:{ ;

8-u.L.0.0
Ed

TvPe @
?.‘é; ;

.
_——

EF.GY
?fg%fifff

”

HIGH-0n03
HIGH-DABY
,.&m;

BYTE 3

INDEX, 1

NOTE 1

BYTE2

RMODE

BYTE

BYTE 8

(0.s]

0PCODE

Rhooe | (2.8
§
| opcooe

RHODE

BOA

(4.R]

OPCODE

RMODE

(5.R)

OPCODE

RMODE
§"‘§§’

(8.R1]
§§‘§§

OPCODE

,3"‘?

RMODE

(3.8)

RMODE | (6.R) | OPCODE
—
RMODE
(7.R]
OPCODE

HIGH-DART

PC
§gg‘R NOT
) §§"*
BYTE

SUS#
Soest

SUSPEND AFTER
BRANCH NexT

H16H-0A08
LOu-DAes

;gg: c;;c »e. LONG vg?e :fxg? xtugg; 1tecB1> | 1tucee> {g.;g;
gccggg
{
e,
Guad
881>
[tecBe>
[tucBY>
184 14: -}
{
IMED. (PC)e, OCTA | NOTE 3 | 1t#<B3> | ItwcB2> | ItweBr> | 11acgo> | c8.pc) | oPCOOE

LAST SPECIFIER

000 PARTTY
EBOx FFORK RORS

FPa

ALLOU FPA

LOW-0A08

Lou-

3o s WORD

R NOT PC

ABSOLUTE. @(PC >+
BYTE DISP, BIO(R)

LOU/DAGE

FORK aDRS 3

LOW-DAB3

JMORD OISP DEF., GUTD(RY

53 ‘f

i% 33".,;3 ?

t%fiim“f

LONG DISP, LTO(R)

FORK ADRS ©

8¢

t{g:m

RMODE

(9.R]

OPCODE

RMODE | B10<B8> | (B.R)

OPCODE

HtD<BI> | WtD¢BD>

(C.R]

OPCODE

RMODE | L10<B3> | LtDeB2> | LtOBI> | L10BB> | (ER1]

OPCODE

WORD DISP, UTD(R)

LOW- 0000

RMODE | 8wacBd> | osac2> | ewacgl> | osacee> | ro.pc3 | oPCODE
RMODE | 8t0¢<BO> | (AR}
OPCODE

BYTE DISP DEF. @BTO(R)

§§ ADRS 2

FA @

8<81>

—

322%

T InCR DEF . O<Roe

one?

:: 2
Fa 3

OPCOOE

£+5.0P2 JOP2+EX

LAST

AUTO INCR, (R)+

BYTE«

REG DEF. (R)
AUTO DECR, =(R)

DECODE hgpt UNIT A CTL | HWIGH-DAB2

PAR
C

| BYTES

cTL 1

cTL @

BYTEG®

SHORT LIT, Ste

LONG DISP DEF, LT(RY

RNMODE

RMODE

WTD(BI> | WrDBe>

(DR

LTO<BI> | LTD<B2> | LTD<BI> | LTD<BD

OPCOOE

(F.R]

OPCOOE

5TRING FORMATS
|

)

_——

BYTE STRING

3 BYTE STRING

2 BYTE STRING

4w BYTE STRING

S<B83>

S¢B2>

5¢88>

S¢BI)

S<88>

ScB1)>

S¢B2>

S¢B1)>

5¢89>

S—

S<88>

BRANCH FORMATS
TABLE 3

WORD DISPLACMENT

VENUS BUS FORMATS (FOR 180)
BUS FORMAT

MO BUS. READ

MD BUS, WRITE

SOURCE | BYTE 3 | BvyrE 2 | BYTE 1+

82>

| IMD REG |
IMD REG

SEXT
SEXT

SEXT | [nD<Be>
1M0<B1> | [MDCBO>

<B2>

81>

<80

MEM FETCH, LONG

MEM FETCH, QUAD®
MEM FETCH, OCTAm

STRING, ALL LENGTHS
D 8us

]

IMD REG | IMD<BI> | IMD<B2> | IMC¢B1)> | IMD<BO>

HORD D [SPLACENENT
LONG DISPLACEMENT

1BUF
1BUF

BYTE IMMEDIATE
SoRS
IMmEoaTE

1BUF
§§§

LONG IMMEDIATE

0URD [MMEDIATE
ABSOLUTE ADRS

OCTa IMELIATES
HRITE DATA

OPCODE

(F. 01

1BUF

%";

%‘?

ouTPUT
SPEC IF IERS

Q;g:gg}

£X
X
Wto<B1> | u
>
LT0<83> | L10<B2> | LtO«B1> | L1D¢B)

ZEXT

2exT

X7
55’;‘;,,

X
§m§”

[tecB>
g“g:

[tu<8Y>

[tac<B2>

T9<B1>

t14:

SEXT
SExT

ZexT

(PCres

10P MOD

Wwey

> o

H¢g2>

114 - M

=-0UAD REQUIRES 2 MEMORY REFERENCES,

OCTA REQUIRES % MEMORY REFERENCES.

1F ORK

CYCLE 1
~

CreLE &

IFORK

IF ORK

DruX

Ko
Orux

BUF 2

PCre
-

o 1
i

BTC(R)

CYCLE 3
CYCLE %

S EUPFER USAGE
va. 1D

(PC)e

)

t8 DISP
:

;

LWD %3

LUD ®y

)

i
-

LUD w2
_

STaTE

LuD w2

LUD ®1

oMUX

BUF 1

!
!

—

TABE

BUF |

'
8

8y
3

8UF 2

CrCLE !
CYCLE &

(Rl

HODE .REG
= |S e

vaL 1D

8D(R)>

(PCrey
0cTA

]“7

BOA CAN BE SEVERAL BYTES [N LENGTH DEPENDING ON SPECIFIER.

MOTE 2- OQUAD REQUIRES 2 MEMORT REFERENCES.
NOTE 3- 0OCTA REQUIRES % MEMORY REFERENCES.

IBUF<B3> | I1BUF<B2> | 1BUF<BI> | 1BUF <B@>
gfi

utD¢B!> | utD<ee> | OPCODE

IMD REG | IMD<BI> | [MO¢B2> | IMD¢B1> | [MD<Bd>

SHORT L ITERAL

1D REG | IMD<BY> | IMD¢<B2> | IMD<BI> | (MD<BO>

BYTE DISPLACEMENT

FO OPCODE
NOTE 1-

1BUF

EXECUTE OPCODE

80>

oP BUS

MEM FETCH, BYTE
MEM FETCH, WURD

u—

| BYTE @

87>
<8

8t0<BO> | OPCODE

p—

MCD 1MOD
LR LAT

BYTE DISPLACMENT

)

!
!
i

DRaiM, WITHOUT

LD IFORK DISP, OR
NOT ENOUGH BYTES

]

)

StH, SHORT LITERAL

Sta

LITERAL

rgswg:m

SnaLL NOT BE REPROGUCED
OR
COPIE CHK |CHANGE NO . [REV
R

2246

USED [N

WMOLEOR (N

PART

d i

[

)

o iiflt'«hir'm‘wl

HICDME. T2GER

| FIRST 3USED C ONON
RT OPTION-MODEL
:
L{Ro
¢
3

g9 1

oTM TiTLE
|

IBD MODULE

BLOCK

DIA

ST2E
cam»:l LB2Y8-0NUMBER
D lBD
IBD6
|

GRAM

|[ ®Ev.
_H
O

>:s:§q. ;wxmg’r‘cm: 5:;: 3.4

THIS TABLE SHOWS EXAMPLES OF DOUBLE BUFFER USAGE.

NOTE -

“

[2[a] e
o

081

-8-80207

aal o]

)

TABLE S

BUS PARIYY BIT FORMATS

BuUS

FORMAT

"D BUS. READ
|

SOURCE

PARITY

PaRITY

LONGUD

82>

81>

<8@>

NoA

NOT

N-A

BYTE 3 | BYTE 2 | BITE 1+ | BYTE @ | PaRITY

nco moo | <8

WRITE

|paaity a:nszr T0 rM8ox

NOT

On 180 | On 180 | On 180 | ON 18D

OP BUS. LUD OPAR OMLY

MEM FETCH, BYTE
MEM FETCM, WORD
HEM FETCH, LONG
HEN FETCW, QUADs
nEn FETCH, OCTae
STRING, | BYTE

STRING, 2 BYTE

STRING, 3 BYTE

STRING, % BYTE

;§§

I1BUF

18UF

‘a

N-R

N/R

'
IMD<B1>
IMD<B1>
IMD¢BI>
IMD<BI>
N/Q

wi—

IBUF(B@> | LD OPR

IBUF<B1> | IBUF<B@> | LUD OPAR

1BUF<B2> | IBUF<BI> | IBUF<B@> | LLUD OPAR

18UF

BYTE BRANCH DISP.
WORD BRANCH DISP.
BYTE DISPLACEMENT

IBUF
IBUF
IBUF

N/A
N-A
N-Q

LONG DISPLACEMENT
SHORT 1.1TERAL

1BUF
18UF

N-a
N/@

N-A
N/A
N/Q
N/A
NsA

0 BuS

HORD DISPLACEMENT

BYTE [MMEDIATE

—

HORD IMMEDIATE
LONG [MMEDIATE
QUAD IMMEOIATES
OCTAa IMMEDIATES
ABSOLUTE ADRS
® -

IBUF

18UF

1BUF
18UF
1BUF
IBUF
IBUF

| IBUF<BS> | IBUF<BY)> | IBUF<BY> | IBUF(B2>

IBUF<B%S> | IBUF<B%> | IBUF(BY> | IBUF<B2>

N-A

QUAD REQUIRES 2 MEMORY REFERENCES.,
OCTa REQUIRES “ MEMORY REFERENCES.

wf '
~!f

ussa oN a@rxmffmeu }
3

D 79 L0208 1807

S12€ |CUDE

D-DD-L 0508 e

IBD MODULE

__BLOCK DIAGRAM
NUMBER
!

| &

REV.

2247

)

UPC (718> —

—

’

r—-w ADR OR NA <718

y
UNCOND uTRe#

|
‘

OECOOE
| — ucho uTRP VECT ¢3:0)
1Ch8 l

]

UNCOND

LNIIND RLOG

UTRAP

UNCF <51@>

2 __Tcse0)

<;=:>Tcag
N ¢ML. (738>

wowl

‘

(M) UBEN CTL <1:@> —

[ UBEN
AOR <210

b nom OR na <31@> — UBEM
~—

DECODE

__Jcas

1cas

e
| e

Iva BUS LAT <1:8> ——d

_1CF9

‘

1Ch8

- COP ISTALL
—{

ENA POP STACK
—{
E OISP I LAT —

SDB EXC —1

38 =

-S08 LD —

- 1¢5 PE LT —

LD OR
sav

SEL

- — — o

icen|
ENa

I T SE0 nean £aox ??Li”’;ii

beCaoe

) IF

FXCY EXC OnLY
o

CUd)y CYCLE ID <i1:@>

mlnunm

;"g,aY i
g
2248

lre

:g:g

T1 ==

nas RES Pp——

NO TRAP OR 5;59*—.

POP STX ’

|
IFORK

DECODE

;gs

1ca8

iCAg

_—

C1ST) CONP I1STALL
—] o
ST

180> IF

nesect |——upc mas res
UNCF <%:@> ——— DECODE |— mas res 1

CUMISC) DIAG RE ET =

UNIIND RLOG ——1

‘
o IoPATCH

DECOOE

— IND IFKCY NT EX

€180 ENOUGH TO LOAD )
‘

- FLUSH nas RES ——

Sav IFORK INFO

‘

1FORK

:&m

LD IFORX DISP

1CA8

ENA IFORK—1 [roRx l ;
,

CIST) LID 1STALL
—f

CUNISC) ENA POP STK —

C(SEQ) NO LTRAP OR DISP —

CUPC) IFORK NOP —

INFO

DECODE

Ko
A
B8

(izfl) z:fic: ;Sfi\; ]

C(ICA) BUF FLUSH MRES 13

(1CA) DRAN TYPE SAV <1:9>

LATCH

C180) IGPR (318>
—

—

CICA) DRAN REF SAV (118

C180> OPTINI2ED
—

[CaF

CiCa?

v 2:@»

QuAD CTX
OPT SAV

—P c1ca) 16PR ¢3:0>

Sav IFORx INFO

(SEQ)> UR UTRAP —

1CaF

¢ [CA) MAS RES

‘gg
o
§

FLUSH MAS RES 1

(8D ORAM CTX <2:9)> —

!
|

——4&

CiBD) EPC @ ?e?‘-—'

1Ch8

MaS RES 3

cady
—d
IFORX
(180> DRAM TYPE <1:@)>
SAVE

- IFORX DISP <3:8)

¢180) ORAR REF ¢1:8> —

Reviaiong
|

£8C) MASTER
MaSTER ST RST —
(EBC)

)—

1CR9
1CA8

!....__......_._.__.___.m.....___..m__..._..m._.._._
a

:
- FLUSH
MAS RES ———i

- (180> 1FORx vALIO

DECOOE

CL8) UTRAP CTL <1:@> — |

(180> BOEST NEXT

st f—L-5Tk <7105

1che
ym:D

S |

‘

[

CONST (MEX BF ) —Jcqg
p

|
160 10 1FORK

| FO FLAG

1CA9

—-———l

’

STK LAT <21

13— cne

1
V.

(o]

‘ CIBD) IBOF DATA BI <7:@)

ICA9

STK
Lar

]

-C 180> EXC ONLY

IFORK DISP (%:9) —

IBD [BUF DATA B <7:@)

e o0

P 1rome ror

@@ }.—.

IFORK CONO SPARE —

FD
DECOOE
1cac

L €2:0) —m

%glg o CTL

CLK

-C INT SEQ MCA) DRAM REF SaV <1:@) ‘;’

—— LD OR SAV CLK
.

[cas

STX 710>

GROUP
& UPC ¢739>

UPC

TiA —

cw> cree 10 ey S
g
¢ 1807 EXC oMY

UPC MCA

GROUP
A

S08 LD -—

IFORX CYCLE ~—-

LD ICS ADR, —

NO UTRAP

UNCOND UTRAP —

SEO HCQ

-9-28281

l
COND UTRAP EN

‘

|2[ o] “useeialall

‘

UTRAP

SAVE 1FORX 1O

(L) UTRAP CTL <1:@> —f DECOOE

¢18D) DRAM TYPE <1:@> ——{ ICAF

|
'

con0

C1BD)> DRAM REF <118

’

LTM

CND UTRP VECT <3:@>

< 1BD)> DRAM CTX ¢2:@>

S08 LD —
o 1cs ir— X
LD OR SAV CLK — e

| FIRST
fixm2 ON[TATS*l*@;
0PT

§—

DATE

-SEP-B T3S D-DDEXT HIGREW
ASSEFBLT:
LBE@?*E

|TITLE:

Ica MODULE

89 L@Ee? e xcm

PV,
A

]
c

pars

7
58

i’

ICS INP CHML <8710@)— DATA

{
"

u:_?

(UPC) UPC <718> —{ ADR

SEG <6:0) WRT PLS —{ LRY

}

:: :saxry

—]

ices

—

D——-’ucfix 18 HOLD

CICA) 180X MARK

3::&;
UNPACK CTL <1:@)
Y
- i

1cA2-4

i ] S0 WanTS MO B

nas RES 31— EMA
08 LD—{

ICSPE LAT—]

1cn6

CIST) ENA DLAT —

ICS IN® CHML <10:88>
—|

— ENA DLAT LD

[

PAR

| e se

LTM

e NI SC2

‘

1co%

e
D[ AG STALL

2__

" —I

——— UNSTALL

1Ca6

P c1car e <o

:tcxcax oev e <z

RaM |~ SEG <6:@> WRT PLS
wr
|
|
g

CYCLE 10 <1:0>
L——— een
crL <1ie>

SDB CNTRL S <211 — 95%;5

Ics

T(EBEEN CLESS 48S s Pp— xw> ol

- WREQ

CICA) WREQ LAY

STOP 180X

——T«E::g :::;: |

T ErLuSH TR

1CR8

—I—}zscm INDEX |1

|
FLUSH LOAD CPC

CUPC MCA) COND BR WIT

Bi:e 4

1ca9

£ -]

T mD

UnisC <3:8> —

CUMISC) COND FLUSH ——

SEL

CUMISC) FLUSH LORD CPC ——i va

CICA> CPC SEL vA

(UMISC) COND FLUSH—— AT

CUMISC) FLUSH LORD CPC

C1CD> OPTINIZED

v CPC

—Jpcica) mar Lo CPC

DECODE

CIST nCas PC [STALL —t

CYiol OR EX ONLY

LTH

viea sav L <

(UPC NCA) COND BR HIT

nOOE

BMUX CHK WITM CTX

1Cam

-CIST MCA)> COrW [STALL ——

-EXC OMLY NOP

DONE
DIRG RESET
pecooe |~— DIAG

ICoan

CYCLE 1D
CUM) INT Brux SEL

LTH

5]
urisc

(UPC NCA) COND BR HIT

e —J cica> 180x DIaG DONE

DIAG DONE —| DN

«nee) :snxx& fea

Pacm sErcee va

-—-—’{ 1CA) LD CPC LAY

cPe

Lar
DECODE

«CIST NCA)Y PC ISTALL

e COND FLUSH

1cag | INM SB CHECK

<uUnisC)> COnND FLUSH

CUnIsSC) FLUSH LOAD CPC
-

0166

D ———m
BR MIT
(UPC MCA) CON

" — 1CA9

-—-’-flé s ]

’ I

Pcicas uar ot

T}cxcar '8A SEL ADOER

- |

(UNISC) COND FLUSH

——— WAlT FOR CC SYN

UMISC <(3:0) =~

INT Brux SEL ¢2:0>

- C1CA) EN OP OPAR VAL

—— FLUSH
NO CPC LD

CUMISC) FLUSH NO CPC LD -

¢ 1CA> CTX CTL <2:0>

DECODE

CURISC) FLUSH LOAD CPC —X~

~CIST nca) conP IsTALL —— VALID

C(1CA) MBOX FLUSH

1CAH
b

CICA) STRING MODE

~CIST) COMP ISTALL

— INMIB S8

UMSC

CICA) 1BF REQUEST

CICA) COND [BF REQ

CUMISC) BR CLR CPC ——l fg:?

- welB S8 VAL

1ca7 :?:; ::m *®

—

CICA) IBF OR OP FLUSH

(180> 1BUF FULL OR CIP

INT GPR SEL <2:@>

— FORCE S8 vaL

CICA) OP FLUSH

CICA) IBF FLUSH

(180) 1BUF REQ

—C1CA) GPR SEL <2:@>

‘T‘E"Qmm

P c1ca> CLR CPC vaL

—nas RES

"+t ICA)Y BMUX SEL <2:0>
-

‘

CEBD MISC-UMIIND RLOG

UTRAP CTL <130)

C(EBD) ESTALL TO 1CA —

—P c1ca> amux s <200

DECODE

1ce8
'

CLEAR SUSP

—— IFORK CTL <2:8>

unIsce

b UMISC ¢310)

LD ICS DATA —

urisc2 <2:8>—

——— ENa 180X

C1ca) 1CS PE

—J)
reG nooe

oeus

—Jcicar op weT LaT

(CsA) UNCF <5mt
'

D c1ca> o on oBus

—Pcicar war Fron eva|

CEBC) € OIS 1 OLY P—

—uniscz <219

Dhux

(CS8) UNCF <2:8>

-ESTALL — s:gs ———J) c1ca> uBUS ON DBUS

(180) DRAM LAST

—-—-}: ICA) ALMOST RAF

Can

ICAd

UMDY INT BMUX SEL <129> —1 [CAM

ENR POP STK

p—
BR CLR CPC
—p—= UCND FA OPHMEN RO

1CAL

_—— cono Fa OPMEN RO

CICA) SET FA OPMEN REQ

- ICA) DRAM REF SAV <13@) —ok—

I G

[

D (R

—

[FIRST USED OM OPTON-MOOEL!

0arE_[ssorovien ,“( _

TITLE:

EP-85 Thtus exT TORR AeSTR T

(512 o

|0-DD-L02087-9

BLIOCCQK NDOIDQUGLREQN

[BD |LO207-B-ICAR

)

2249

508

&’gggfl“
%

p—

(CL)> SDB CLOCK

ICA

CEBD) INJECT ERROR € P—]

¥—r—I— ENA RLOG PE

[—JP¢ICA) FORCE RLOG PE

INT GPR SEL <219)
— POP - cicar pop RrLOG

—J) c1ca> FORCE Anux OPAR

)

. -

EHh G PE
—r— LD ICS ADR

1S EnTRL Cew @@

REC 508 1
b

tcar

. [— [NOEX REG <3:@)
() CYCLE 1D <> —] DECODE
— RD ADR LAT (: &)

DeTA
€L

INDEX REG <3:0)> ——

1Cat

(> PEG MODE

——

(M) FORCE

SB ENR OP

——1

[

(180) 1BUF DATA B@ <7:8> —— DaTa
LTH

1CAD

p—*

T3 ——

~—

OPCOOE
_—

ISEL B2

ORAN REF SAV C1:@>

-€80x FLUSH P— pecooe

CI1CB) 18GPR LAY (318> ——i

[CaF

OPT

1CAD

SUF OPc BIT <7®

73—

ENa [1 LD

Lte

ENa 12 LD

?E:’g |

QuURD CTX

LTH

180>

14 —-—4:)

180> BUF LD CTL <1:8> Jp—] For

HIT

SAV

CIST)

|
—

MIT

SET S8 vaL

lop L P cicar opc oIt 710>

gaeis::t
.

1CAG

QURD FLAG

1CAG

CODE

—S

<CS8> €BOX FORK B —]
~CEBD) ESTALL TO ICA _]

3 — 1CAD

—

'
WL LAT

--—):xcm FORK ADR ¢713)

180 BUF FA <713

Fo FULL ——

LTH

]

FORCE SB VAL ———
<180

SCORE
BOARD

<
8

SET S8 vAL

vaL

QUAD CTX ——

CUM) CYCLE 10—

)

CUM) FORCE0PTSB vAL
—
SAV ~——
CLM)
- INHIB SB VAL ——
DRAN REF SAV <1:@> — SET S8

VIS nux SEL <2:@)

e
| ARGE REG ¢ 3: 9

AUTO INC ¢3t@> —LARGE REG ¢ 3310) —

g
f{

C180) 16PR ¢3t@ —— oo [ AUTO INC REG ¢3:@>

1S 1w Cre 11200

(L) INT GPR SEL <1:@) ==

Tcs

(L) AMUX SEL <2:0>
— DECODE

— [CS SHIFT ENa

711

MCF ¢3:@>—{| ICAA

0P LI ( 1ca)> EN OP LRT ACK
EN g
— (€Na
(1) CYCLE 1D <1:@> )

508 Lo
)*m
' —
OB ENTRL 52 B — 1Cat

b LD ICS DaTA

(CL)> SDB VIS SHIFT *}""'ws:stutt —F) cica> S0B DATA OUT ICA
BUF SDB LATA
SHIFT
b,
B
508
CLK
PaTH
VIS nuxf Ena i@
~DIAG BYTE <2:@>
I

ALL VISIBILITY POINTS -

DECO0E

—P c1ca> FORCE GPR PE

=
F S08 vate

(CL) SDB CNTRL Si 8’——-

< 1ca) FORCE Brux oPaR
—)

ENA BMUX OPAR

v | twdl-e-cexen| aa| a l
“use=yula]
l2[a]

{

RLO0G,

“L“,m

1cA1

eTN APIX OPAR

Stone- [~

(CL)> SDB DaTa N Q}""" s08

~CICA) FA F

crec) 0P P ack 8 p—PR -

LTH | [—OP Pa ACk LAT

——

op CIP

Erel

R
LD IFORK DISP —

save 1FORx INFO—

AND

BRAHCH

DECODE

r""‘ DETECT

|—P1ca Fa FuL Lar

| caa

1C02

icag

FULL

-1

(CS8) EBOX FORK B

8
l,,S

CEBC)» E OISP | OLY

(con

ABOR

1cr8

- aLn OP ABORT 1

CICAY OP ABORT A

[Ca6

0P PORT REQ

—

——LOOK AT N anD 2

— LOOK AT N

g
|

- LOOK AT C
o
AT LR

UPC

MCA

|
|

REVISIONS

]

Re0

ALM OP PORT REQ

—

ORAN REF Sav 8—1

€,

(> 1CA MCF <3:@>
—[ AL 0P —aLn oP PORT REQ

‘

g
lg;

(EB0) ESTALL TO ICA — —

ISTALL
—

1cag

- FLUSH MAS RES 1

~CEBE) 180X ERR LTH Jp—

""'TD COND BR | HIT

— FORY BR MIT

{

— LOOK AT v

C180)> BOEST MEXT— ] .

fn 0p

DECOOE | | ook ar 2

-FD FLAG —

2250

CONO
S
Rt

CEDP) CC 2 81T —Jp—] SRANCH

(EDP) CC C BI

’HCA) SET Fa FULL LAT

¢ uniscH ) ¢ COND FLUSH —]

CEDP) CC N 817 }_.- CONDITION

IcAd

COND

—

T—CC LATCH ENA

0’52‘?‘-

OPCODE

r—

en ity

ccsar cC STC ——

—
- £xc RSV
omr MOOE
nop—

- oP CIP STALL

) xcéi“;;gc?cfi—fi
- PC

ALM OP PORT REQ Jo— Icon

ST —|

sev

STa L

-C1ST MCA)> COMP ISTALL ——i

LID ISTALL

180>
W FD

DECOOE

S—

€180> IFORK vaLID—

Iva SEL OP vA

0P va-

fi“ P ena va sav Lo

(180> DECODE ERROR —

. DarE Jasren

Milgli]tle

A
62

[

—

' wensON_

Jesevm|

L oE

ICA MODULE

BLOCK_DIAGRAM

:
Wit

CICA) ENA OP VAL LD

1CAH

_CIST MCR) OP REQ CIP LAT
—

[

" OP ABORT — oP
(UPC)
ALM

0P PORT REQ (MCC) OP PA ACK B

—

5 mmm%—mm 4

157 mca

DRAR REF SAv @ —f C0

- 180> DMUX VAL ID

~CUMCF) ENA_ 180X

raLL

-cLu)> INT BRUX SEL <2:8> ——PECODE__

oaus staLL

- estauL war
TH

(CSB> EBOX FORK 8 ——DP

~
waR —f cas
CuniseH
- 1C8> SET OP WRT CIP Pp—
(MCC) DEST CODE 18
-(MCC) DEST CODE @&

Pp— -

‘

{

Ssee

13— "25

(MCC) MD RESP B —ij

1FORX veL

10 ——i

1CoF

(180> EXC ONLY Pp—ri

CUMISC) RD 11D

EXC

oLy

(UMD 014G umSTALL

L exc onLY nOP

LUSH nas REsS

Te —T°%

€1€8> 0 PORT #EQ

sav [FoRx Ine0

~CUM) UNSTALL
Fa FuLL

[FORK CYCLE

¢ 1CA) EUBUS REQ LAT

Ena AR STALL
|

CUNISC) WAlT FOR CC STN

sTaLL

C(UW) DIAG UNSTALL
.

C(UMCF > EFLUSH FROM UBUS —

1ca8

-:3

ExT

e e STt

(180> BUF DRAN FPA

sTa

1ca9

nca

8§ —{

CaG

|——plaG OR EXEC UNSTALL

StauLs o 2 | !
FuLL
sTaLL
l
StaLL

|
IsTaL
)

STALLS GROUP 2

&
?

g&
§

|
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]
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LN

— 1cac

Latir cor
CooE S

B
| [

LS TaLL

pe ISt @

¢1CA) PC ISTALL A

PC ISTALL
-

‘

1CAG

IsTaLL
DECOOE

coc

——— BUF PC [STALI

LID

EBOX FLUSH

010G OR EXEC UNSTALL ~

cac

STALLS GRP 3

ISsTaLl

PEVISIONS

[CA, MODUNaed. &= u

GaTE Ten.

[SaTE_TTITLE:
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nll

Ena OLAT

weR 3TaLL

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IStaLL

SUSPED

—

| <

—<Pc1car ISTALL <E:a>

—

3 aifr
Joecooe

STALL

[ Q¢ lca IsTaL BuF A

coe | Lista |
— 1ceq [ OTM ISTaLL |

Fa FuLL | =T~ "OME NOP STALL
suse Cip

FULL

sTaLL

L cow
1srat
~

3T0P 180X

— — — — — — — —— —

CONTROL

STOP 180X CI?

STaLL
a

sTaLL

1AG

——

e
|
(10P> uBuS5 matcH
P
SET OPV —

wBUS

CICB) Cr PORT ggg}.

®0 1) | L——sSTaLLS GRP |

—'

—t

sTaLL

FULL STALL

SET (MO vaL

!
—f

(EBE> 180X ERR LTH A —

—7— ENA WMATCH STALL

Fa FuLL
— (57
-(CSB» EBOX FOPX

STeLL

- 0P MD RESP

-CUMESL) INM SB CHECK

oP CIP

‘

DECODE

- 180 DISABLE S8 wIT Jp—1 OECODE

e—
sTaLL

OP REC CIP

Ena g&i —1— ENA S8 MIT STALL

(> INT @i SEL <2:0> ——) STOTE"

(

O1AGNOSTIC
|
STALLS GRP3 — STALLS GRP 3

FuLs

(SEQ MCA> UTRAP OR DISP

Tcne

......_...

opc —Pcicar ext opc

1CAE

LA ey

(€80) ESTALL TO 1CA

(MCF> EFLUSH FROM CPC —

‘

CUPC MCA) [FORK NOP

CUMCF> EFLUSH LD CPC —

amin.

gfcae

Cfigggifi

—

-——-’( ICA) OPTIMIZED A

ICAE

l
EXC ONLY NOP

UNKIND RLOG 3LAT

180> ExT 0PC T 0PC

(UM) UCODE WREQ —

V
oPT

oPT

C1BO)> OPTIMIZED
— L TH

L___ CONOLTION
ualT FOR

}—

‘

sraLL

LTH

V
SUSP CIP—1 a6

f (HCC) OP Pa alx B

ofing
o

180>

- C(UMCF)

;

(180

IFORK CYCLE

—
——

SToP

== TTCA OTS TeF TR

10 FuLL

TuneE cLR SusP
Fa FuLL

NOP

DBUS

~CUM) UNSTALL

FLUSH nas RES1

DECODE

- |FORK NOP ~

| cc s P-{
-ccsa>

— SET OPV

[FORX

EXC ONLY NOP
-DBUS STALL

‘

180x

1
aL

STOP 180X CIP

—t

uBUS ON BUS —jlCan

(EBD) ESTALL TO ICA

——

-CuM) UNSTALL

gg&s
:

1CAG

-(UPC)

”

—

gém:c

gégm

CUNCF> STOP 180X

STOP [B0Ox CIP LAT ‘

t;sg

CEBD) ESTALL TO ICA

—i1CAG
e

-C(UMCF) ENA 180X
nas RES

_F(caoi:

.ConP (STari

]

E‘;

}

0P REQ CIP LAT

;

-CUNCF) CLR SUSP

10 —| 1CAG

—

{
gfl

CI1CA)Y MCF <(3:19)>
— PURT

—

[

TEA TR RT M

—3SSERBLTT

D-DD-L0207-8

|5 12E Iwosl
0

18D

NUMBER

|L0287-8-1CAY

[ PEV.
3

2251

[

CLR CPC vaL

cec

[

RLOG

ICA HAY LD cpc-—)—-—- - ENA
-

—-—} Ena CPC LD

CPC

-Hav LD CPC —f

FIRS

-EBD EBOX ERR

RLOG

-BUF 180X ERR

LRT

NEM
MACRO

~
RLOG VALID ENTRY

CECODE

0P WRT CIP

MAS

—

RLOG

PIR

sav

CLR PC REG

RES

l
1

734 ——

START NEW MACRO

NEW
MRCRO

START NEW MACRO

PC ISTALL ——

cix

START NEU PACRO ———

. |——-RLOG GPR <3:@> DL
ADRS

)

<3:g>

RLOG OPAR

14
ATCH

RLOG FIRST (ICa)»
RLOG vaLID cICa)

D@
1ce%

T34

RLOG GPR <3:0> ¢ IDP)>

s——
-

RLOG MINUS CTX
RLOG CTX ¢2:8>

|
2106 FIRST OLY

”f?;
> o

-1STALL

-POP RLOG ——

veLip [0SoG VLo D €ENTRY

ENTRY

RLOG

1CB3

IS4 vALID

ICR DRaAN CTX SAav {233;’-——

gsa

ICA CTX CTL <1:@>p——

—PESA vaLID

CTX

1CBI

?éz

e®
?

ENIRY

|——CP MEM CTX <2:@>

1CB%

’

RLOG CTX ENTRY <2:@>

L0G
WBUS [ADRS ¢3:@> ———
RLOS valL ID ENTRY

— CLR IS8 VALID

g
L

jp—1-NINUS CTX

ica”
'

TTRTRTYCT

vaL 10

-STAELE NEW MACRO

PTR

RLOG PTR CLK

_ ooy [T RLOG FIRST ENTRY

1ce’

Cicar
f
ICA> WREQ LATar P—

[Ca
FA FULL P—Ti
> 156 VAL ID
ENA [5A LD
1 vacio

ENA ESA LD

RLOG

<
"

ics”

-CLR ESA VALID

PTR

Hpena €sa L0

-E OR F ERR

RLOG

-POP RLOG —
Ll

1CBv

PC ISTALL

EBD ESTALL

1—Pena 15a L0

EnNa
€sa

ICA Fa FULL

—--—T!-P?R POP (i@

183

WBUS [AORS ¢3:@>—

€S8 EBOX BOX 1 IRD

[ EN@ RLOG wRT

BUF POP RLOG

183

-CLR

DONE
X

[P R—

ICA CYCLE 10 @
ICA EPC 8 OR 7 Sav

[ND

183

1c8”

[FORK NOP

UNU

DEEooE

RLOG FIRST ENTRY

¢: 8>

-1CA

‘

186

RLOG PIR 30

HaS RES

1821-8-%1287]
08| q
s3mam
L&:lms”

DONE

-FBA FBOX PROBLEN

STABLE NEW MACRO

STRABLE NEW MACRO 1LAT

SET UNUIND DONE -

u
l c {-ag]

[CB7

STABLE

-FLUSH MAS RES ~——

BUF POP RLOG

EERR DR FPROM ———{

START NEW MACRO

180X ERR

P-cpc vaLio

vaL 1D

SET CPC vAL

i<y

PARITY

GEN

——

crx
1cew —L-»06 CTx <2:@> oLT

%o
a
=

|—r— RLOG OPAR ENTRY

S—

RLOG L RLOG OFWR DLY
PR

RLOG CTX ENTRY (2:@) —
:1)

EFLUSH CLR

LID

[SA

RLOG PN CTX ENTRY

ISTALL

1cey

-€ OR F ERR ——
- 1BOX ERR

RLOG OPAR

1ca?

OP MCF <(3:8) ~—

RLOG FIRS
FIRST

RLOG vaLlD
€SB EBOX

IRD

ICa Fa FuLL

VAL 1D

w:uum.

E‘ts?%:f ;fm:?ta

PARITY

RLOG

CHECKER

BUF POP RLOG —

RLOG GPR (3:0) ——i

—cLr Esa vaLIo

EBE EN CLEAR

RLOG CTX (2:9)
Ice?

2252

——L)m.es PE

1CB

‘

FEVISOMS

KPEGG

FORCE RLOG PE""""

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EBD ESTALL
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—d

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L@BiH~G*IC8!

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P—r—

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DECODE
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0P PORT REQ

1ce9

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1c89 —

SET OPV—1 <7

1€89

OF PR ACK—

-OP MD RESP LAT —

DLY

L Tia—{Teg9

)

PEND

MCC MD RESP

FLUSH MAS RES ———

PEND
IMD OPYV

——

’3“‘“‘“5

OP MD RESP LAT —

L
0P 1D RESP LAT

FLoen fay ket
ar

RESP

Tia —
€S8 UOPSEL @ -

1ce9

1ca ctx ¢ <2:0>
—{ op rgn

.
T
ro [T
EDOP LA

ha — D

P 18 op nen cTx 210>

Fa 0P ngn rEO——

- FLUSH MAS RES ——

ICA REG MODE —

BUF VSRC SAV

.
—L_J|
170

o orv

ALMOST SET 0PV
b

ALMOST

SET/ENAl——ENA [D VAL

- F‘st :g«-—- 1D vaL

1ca9

10 vaL CIP

e 1D L —

READ asRC

cos

CLk) T3a
-RD OP _

10D vaL—{

PEND (1D OPV —

SET 1D vaL
gg_

aLM SET 1D vaL

ICA OPY CTL <1:@) —

:Sas
‘

<
-

o|
T

5 o

vaL —

189 )—JpaLuars 0P vaL 1o

g?:
r

FLUSH MAS RES

ALM ENA ID VAL

ALMOST SET OPV

SET
0Py

134
—

- op
porr Reo — ;

—

ICA DRaM REF Sav @

1c8"

—J)Fa 0P rEn R0

RO OP LAT DLY

559

:33;....4589

ICA DRAM CTx SAav <2:@>
—f CTX

Fa oP

IMD p— IMD OPV LAT

1Mo

0PV

—

oP MD

-BUF FORK LAT

€S8 UOPSEL !

BUF ESTALL

oPvV

ICA SET Fa OP MEM REQ P—

PEND

I —PEND 11D 0PV OLY

PEND IMD OPV DLY —

- BUF ISTALL

,
[—PPSET 1M vaL

poros

SET 1m0 vaL —{ (M0 | ImD vaL CIP

cIpga|
na-—-—-iS

SET OPV

PA ACK LAT
0P

~—

08|

fitgg

TiA

mayalal

2831-0-~1287

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ICA ENA OP MD RESP

"0SL__
P arost op vaLin

MCC 0P Pa ACK p—

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12 [ 5]

!
1c89
7 F—LaLn ser 1m0 vaL

) }

1c81

- 1BOX ERR —
IMD
- FLusH
mes mEs —] veL

o vaL C1P —

READ 2ND ——

-t

- BUF ISTALL

o Pa acK

- CTX MI@G@"—

1 1cee

ALMOST SET 0PV —

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10

éflé.s

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1D FuLL STALL

CLA r}fi-—-—D

ID vaL CIP

1ce9
CLK3 na—-—-D

ENA iz;f:: 1ce9

T por e seo
OP

fie%

. ENA D LD

ENa 10 LD

—Pena 10 LD

—

CLx3 12C ——ri

FLUSH nas RES

Cio o

SET [D val —
-0P MD RESP —

1ce9

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Tu-GEP-B% 13:5, JNEXT
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D-DD-LB214-0

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BLOCK DIAGRAM
[ Le214-9-1CB2
A
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|

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A

2953

New |

BGPR ———of LAT

DECODE

-BUF FORK LAT

cip

r;a-—-5

ICA OP WRT Lnrt

WAk LAT 7
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BUFF-KILL[STALL
CIP

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CLk3 T1A

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CSA UMISC <1:@>

ICA LREQ LAT

gRaT

POP RLOG LAT

RLOG vaL LAT

ICA ELBUS REG LAT

CODE

icg2

MBS 1A0RS ¢3:0>

CYCLE 1D <1:0)> ——l

IFORK CYCLE

FLUSH MAS RES

—

FLUSH NAaS RES

EB8OX

FORK [NG

—— BUF FORK LAT

18GP

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IGGPR LAT ¢3:0>

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1c8C

1ca cveLe 10 <1:e0 —

sav [FORK

WBUS [GRANT

1C8a

FoRx coR <210

UBUS EGRANT

Icen

180 1BGPR ¢3:@> P——ThEw

FoRX -

CLx Ti1C ———og

€SB EBOX FORK E P—

1eur
PE cooe

S—_—

SET Fa FuLL

" estar] FR0

180 BUF IBUF PE
IFORK VAL 1D

128 —)

<2:0)

LaT UniSC <1:@>

VALID CNT ¢2:0>

icec

180 BF Fa <2:0> Pp—Fra

180 BUF DRAM PE
8us

CLK twwii—

l SHIFT VC <3:0>

“Lm

~
RLOG GPR <3:@>
BUF UNPACK CTL <1:0) ——

Isr

EBC MOM GPR EADRS
": é:;“-‘s"—"

OECODE
ICA DRAM ~Tx SAV <218
1ce8
——
ICA DRAM REF SAV (1:@) ———

ICA 1GPR LAT ¢3:@> —

LAT VC <:@>

FLUSH MaS RES

LNPACK —J) unPack CODE <2:@>

ICA DRAM TYPE SAV <1:@>

BUF Fa FULL LAT
|
E
A
;‘:;:"::
L

icee

ICA UNPACK CTL <1:@)

CLx3 Tia

EXPLICIT

ICA BUF GPR SEL @

Lar cuR vaL <@

1cec

1ces

ICh BUF GPR SEL 2

vaL
c3:0>

Ica mas RES Pr— TMS |——nas RES
| FLusw
iCA 1BF OR OP FLUSH J—] RES

ICeA

180 LNLAT CUR vaL <3:8> P—fcur

ser 0P wRT CIP

DECO0E

CLx] Tia

BUF FORK LAT —

Icea

0P STR RO LAT
UOPSEL ¢1:9) — gfi —r—

KILL --—)xm. OP uRY

SET
0P WRT

KILL CIP

KILL

“BUF ESTALL wmemmr

Q8|

KILL CIP LAT

KILL CIP ———

-FLUSH

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P ERR STALL
TaLL

ces
f}fi___b

[BGPR ¢1:@)> CEDP FBM)

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DIAGRAM
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WBUS DATA <31:0@> (EDP)

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